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Medical Forum / General / Vision / August 2004

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Eye Glasses - FULL or PARTIAL Prescription ?

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Mary Daniele - 28 Aug 2004 03:16 GMT
My daughter (4 years old) went for an eye exam. After performing several
tests and measurements, the optometrist discovered that she was far sighted
and needed a prescription of +5.00 for each eye. He recommended that we
start with a +3 .00 prescription for the first several months to help her
get accustomed to the glasses, and then increase the prescription to the
full amount of +5.00.

We were able to get an appointment with an ophthalmologist after a few
months. Although the ophthalmologist agreed that she required a +5.00
prescription, he felt that the prescribed +3.00 lenses were fine and would
not recommend going with the full +5.00 prescription.

According to the optometrist, a full prescription would be better as she
would not have to strain her eyes (or do any focal work), and that a full
prescription would be better for the development of the visual portion of
the brain which is critical before the age of eight.. On the other hand, the
ophthalmologist explained that he does not prescribe glasses if a
prescription of less than +2.00 is required. As such, he recommended that
she continue to use her current +3.00 lenses and use her eye muscles to
focus the difference.

As concerned parents, what should we do?
LarryDoc - 28 Aug 2004 06:01 GMT
> My daughter (4 years old) went for an eye exam. After performing several
> tests and measurements, the optometrist discovered that she was far sighted
[quoted text clipped - 18 lines]
>
> As concerned parents, what should we do?

From my perspective, if, with the +3, if the eyes do not cross, have
equal acuity and no amblyopia and she is not experiencing vision
discomfort with the reduced Rx, then stay with that and re-check the
previously mentioned issues in 6 months.

(I'd probably move it to +3.75 or 4 at the 6 month point if it is still
+5, but not if the plus is less.)  If by the time she is learning to
read, even spending time with books  (they like to pretend that they're
reading-----and they sort of really are!), and that might be very soon.
and she still measures +5, I'd start moving the power up to that level
or close to it. And I'd consider contact lenses---another controversial
discussion.

So both docs are reasonably correct, as the final answer is age and
learning dependent. It is certainly possible that not using the full +5
might result in the eyes becoming somewhat less hyperopic.  She might
end up somewhere between +3 and +5, so it is reasonable to "let nature
be" for a while and see what happens.  If that "missing" 2 diopters is
not doing any harm, it is reasonable to just follow up in 6 month
intervals.

Meanwhile, encourage her to draw/color/read with the near objects as far
away from her face as practical (considering her cute little arms aren't
all that long!).  And watch her to see if her eyes cross, if she rubs
them or blinks unusually or gives up the task too quickly.  

Then call the doctor.

I hope that helps!

--LB

Signature

Dr. Larry Bickford, O.D.
Family Practice Eye Health & Vision Care

The Eyecare Connection
http://www.eyecarecontacts.com
larrydoc at eye-care-contacts dot com (remove -)

Otis Brown - 28 Aug 2004 16:37 GMT
Dear Mary,

You will receive "explosive" opinions about what
should be done.

I would first verify that your daughter can read
the standard eye chart at 20 feet.

The range of accommodation for a very young
child is about 11 diopters.  Therefore
your child should be able to see things
a 10 inches with no problems.

There is a "philosophy" about the eye
that states that the child's eyes
are still growing, and as such, the
refractive status will gradually
move towards a normal +2.0 diopters -- if
you do not put a plus lens on her at that
age.

A promenant optometrist (    ) recommended
that the plus be kept off a child if there
are no other "problems".

I am an engineer, so I am certain the
ODs will "jump on" this opinion.

If it were my daughter or son -- I would
follow the "second opinion" -- but
you asked for a "balance" of opinions.

Best,

Otis
Engineer

*****

> My daughter (4 years old) went for an eye exam. After performing several
> tests and measurements, the optometrist discovered that she was far sighted
[quoted text clipped - 18 lines]
>
> As concerned parents, what should we do?
LarryDoc - 28 Aug 2004 22:45 GMT
I don't reply or usually even SEE your ridiculous, moronic posts, but
this is time to show everyone how completely absurd you are.

> Dear Mary,
>
> You will receive "explosive" opinions about what
> should be done.

Thus far, nothing explosive, just clear, informative professional
opinion. Except, of course, from you.

> I would first verify that your daughter can read
> the standard eye chart at 20 feet

That has absolutely no relationship to how her hyperopia might affect
her reading ability, binocular vision (including stereopsis and
amblyopia).  But you don't get that.

> The range of accommodation for a very young
> child is about 11 diopters.  Therefore
> your child should be able to see things
> a 10 inches with no problems.

"Seeing" is not addressing ocular motor function and cortical
processing.  But you don't get that.

> There is a "philosophy" about the eye
> that states that the child's eyes
[quoted text clipped - 3 lines]
> you do not put a plus lens on her at that
> age.

It's not a "philosophy". It seems like most of the professionals,
including myself would under prescribe to allow such emmetropization.  
But you don't get that.

And who said that +2 is normal?  You?  And why should anyone with a
science background care what you say?  But you don't get that.

> If it were my daughter or son -- I would
> follow the "second opinion" -- but
> you asked for a "balance" of opinions.

You opinion is only that. It is not a balance, it does not come from a
place of science and compassion.  It is merely that of a one-track, one
issue zealot.

People come here seeking intelligent discourse. Time for you to
disappear. But you don't get that.

Signature

Dr. Larry Bickford, O.D.
Family Practice Eye Health & Vision Care

The Eyecare Connection
http://www.eyecarecontacts.com
larrydoc at eye-care-contacts dot com (remove -)

Mike Tyner - 28 Aug 2004 18:25 GMT
> As concerned parents, what should we do?

The current prescription is quite reasonable, consistent with what most
doctors would do.

It leaves her with +2.00 uncorrected, but that's actually comfortable for
her and a refractive state of +2.00 is often considered "normal" for kids
her age. They don't usually have symptoms or developmental consequences.

Her eyes are still growing; reaching adult size around 12. *If there is* any
tendency to "grow out of" hyperopia, partial correction alleviates symptoms
but leaves some stimulus for that to happen.

-MT, OD
Rishi Giovanni Gatti - 28 Aug 2004 23:35 GMT
> As concerned parents, what should we do?

Excuse me, but, what credibility have those optometrists?

They don't even make things safe with their own theories!

The measured +5, but prescribed +3... Because they are afraid of what
+5 may do injuring the eyes even more.

They do not know what they are doing.

Indeed it's a strange world.

Medical men, who are thought by the common people to be people of
knowledge, are in fact much ignorant.

What to do?

NOW, imagien you did not go to any optometrist.

what would have happened to your girl?
Otis Brown - 29 Aug 2004 02:19 GMT
Dear Mary,

Question:

Since you state she was wearing a +3.0 diopter lens -- I wonder
why she was.

What was the original reason?  Crossed eyes.
Amblyopia, or just "hyperopia".

Best,

Otis
Engineer
Mike Tyner - 29 Aug 2004 17:46 GMT
> What was the original reason?  Crossed eyes.
> Amblyopia, or just "hyperopia".

You should try wearing -5.00 contacts for a few days.

-MT
Neil_Brooks - 29 Aug 2004 17:30 GMT
"Mary Daniele" wrote

> My daughter (4 years old) went for an eye exam. After performing several
> tests and measurements, the optometrist discovered that she was far sighted
[quoted text clipped - 18 lines]
>
> As concerned parents, what should we do?

Larry Doc and Mike Tyner have given you excellent advice, IMHO.

I was born with a pretty complex set of eye problems including
strabismus (alignment) and high hyperopia (farsightedness).  At 40,
I'm having severe problems with my eyes and can no longer read without
pain, blurring, and nausea.

If I were born today, and were treated by the right doctors, it's
likely that my tale would have ended quite differently.  I've spent
years researching my particular issues.

You may want to read this document:

    http://www.aoa.org/eweb/Documents/CPG-16.pdf

At +5.00d, your daughter is a borderline 'high hyperope.'  While this
certainly doesn't kill people, it can be associated with a number of
other visual issues.

If I knew then what I know now, here's what I'd do differently:

- Make sure they've determined _exactly_ how much farsightedness your
daughter has.  This is done via cycloplegia (dilating drops).  That's
likely already been done, but it's important.  If it were my daughter,
I'd talk to the doc's about using Atropine.  It's the grand-daddy of
cycloplegics;

- Vision therapy.  Your daughter's going to have to do a lot of
accommodating (focusing) in her life.  We aren't hunter-gatherers any
more; this is the information age.  It's all books and computers.  A
qualified vision therapist can help your daughter develop both her
focusing power and her 'binocular vision.'  Binocular vision is the
eyes working together.  This has both a physical component (straight
eyes) and a neurologic component (developing the mechanism for
fusion)--the mind has to learn to take two images and see them as one.
That has to happen early in life (now);

- A pediatric strabismus ophthalmologist should be in your arsenal.
Alignment issues (crossing or turned out eyes) can often be associated
with this kind of farsightedness.  You want to monitor that closely as
your daughter grows up.  The course of treatment varies if the eyes
start to have alignment problems.  The vision therapist can work with
this, too.  Again, the goal is to ensure that her eyes work properly
_together_ (binocular vision).

- Contact lenses?  _Absolutely_.  I'd ignore the controversy.  Here's
why: 1) in farsighted people, contact lenses place a lower
'accommodative demand' than eyeglasses.  In other words, contacts are
easier on her eyes; 2) eyeglasses induce alignment errors and optical
distortion that contacts don't; 3) kids' glasses slip around, get
bent, etc.  When this happens, the correction tends to change (in
other words, the prescription is only right when the glasses are
straight and sitting properly on the face).  This can cause blur,
placing additional load on her focusing system;

Best of luck, Mary.  I'm sure she'll be fine.

Neil
 
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